// initialization, run only once 
void setup()
{
  size(500, 500);		//must always be the first line
  stroke(255);
  background(192, 64, 0);
}

// run repeatedly when ??
void draw()
{
  line(250, 250, mouseX, mouseY);
}

void mousePressed()
{
  // saveFrame();                // numbered sequence names
  saveFrame("output-###.png");  // hash name
  // saveFrame("output.png");
  background(192, 64, 0);
}
